Henle Verlag Hummel Trumpet Concerto, Classical sheet music for trumpet, Johann Nepomuk Hummel: Trumpet Concerto in E major, For trumpet in C, Bb and Eb, With corresponding piano accompaniments in E major (for trumpet in C) as well as E flat major (for trumpet in Bb and Eb), Urtext, Paperback, Edited by Michael Kube, Piano reduction by Michael Kube, Medium to advanced level of difficulty, ISMN 9790201808406, publisher's no. HN 840, Format: 23.5 x 31 cm, 68/9/9 Pages
Rubank Publications Violin Masters Duet Repertoire, Classical Sheet Music for Violin, 39 Classical pieces arranged for two violins, Arranged by Harvey S. Whistler and Herman Hummel, Medium difficulty, ISBN 9781423444923, publisher's no. HL04472680, Format: 23 x 30.5 cm, 56 Pages